CN102673612A - Calculating system and calculating method for confirming average acceleration of previous train in certain position - Google Patents
Calculating system and calculating method for confirming average acceleration of previous train in certain position Download PDFInfo
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- CN102673612A CN102673612A CN2012101554284A CN201210155428A CN102673612A CN 102673612 A CN102673612 A CN 102673612A CN 2012101554284 A CN2012101554284 A CN 2012101554284A CN 201210155428 A CN201210155428 A CN 201210155428A CN 102673612 A CN102673612 A CN 102673612A
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Abstract
The invention discloses a calculating system and a calculating method for confirming an average acceleration of a previous train in a certain position.. The method comprises the following steps of: mounting electronic labels along a rail line; respectively mounting electronic readers on the headstock and the tailstock of the train; when the previous train passes by the electronic labels, writing relative data into the electronic labels; when the present train passes by the electronic labels, reading the data set; and calculating according to a mathematic relation between the length and the speed of the train, thereby confirming the average acceleration of the previous train in the certain position. According to the method provided by the invention, the average acceleration of the previous train in the certain position is known by the present train under the condition of an invalid rail-side network, and a data basis is provided for the safety driving of the driver of the present train.
Description
Technical field
The present invention relates to subway train circuit operation control technology, particularly a kind of computing system and method for confirming last train position average acceleration.
Background technology
In the subway train operation process; Signal system is one of important leverage of train circuit safe operation, and under its normal circumstances, current train can be confirmed the average acceleration of last train optional position point through the other network of signal system ground rail; If yet signal system lost efficacy; Especially the other network failure of rail, so current train just can't be confirmed the average acceleration of last train location point, thus current train operator can't be known the average acceleration of last train location point; Can't the real data support be provided for the phone scheduling; Thereby reduced the safety of train circuit operation, at present, current train knows that the technology of last train position average acceleration is enough paid attention to as yet.
Summary of the invention
Technical matters to be solved by this invention is; Not enough to prior art; A kind of computing system and method for confirming last train position average acceleration is provided; Solve current train under the other network failure situation of rail and can't confirm the problem of the average acceleration of last train position, for current train operator's safe driving provides the data foundation.
For solving the problems of the technologies described above; The technical scheme that the present invention adopted is: a kind of computing system of confirming last train position average acceleration; Comprise two cover electronic label read/write, several electronic tags, be installed in the information-based device in the train more than one; Information-based device is connected with two cover electronic label read/writes respectively, and two cover electronic label read/writes connect mutually, and wherein a cover electronic label read/write is installed in train head; Another set of electronic label read/write is installed in the train tailstock, and it is along the line that electronic tag is installed in the train rail circuit.
Utilize the method for the computing system calculating average acceleration of described definite last train position average acceleration may further comprise the steps:
1) distance L between train sign TrainNo, electronic tag code identification N, the two cover electronic label read/writes, date recognition sign D1 are stored in the information-based device;
2) in the train travelling process; In the time of headstock electronic label read/write process electronic tag N; Read the data among the electronic tag N: the last speed V1 of train head, last train tailstock speed V2, train sign TrainNo, electronic tag code identification N, current date identify D0, and give information-based device with these data transmission;
3) information-based device compares the date recognition sign D1 that current date identifies D0 and information-based device storage inside; If D0 is not equal to D1; Represent that the data in this electronic tag are not the data on the same day; Its data are invalid so, and information-based device sends instruction and gives the headstock electronic label read/write, writes the current speed V1 of train head, train sign TrainNo, date recognition sign D1 in this electronic tag; If DO equals D1, explain that the data in this electronic tag are the data on the same day, be valid data, get into 4);
4) train head's electronic label read/write writes current train sign TrainNo, the speed V1 of train head;
5) information-based device retrieves the distance L between these car two cover electronic label read/writes through train sign TrainNo, then through formula a=(v
2 2-v
1 2)/2L confirms the average acceleration of last train;
When 6) current train tailstock electronic label read/write is through this electronic tag, write current train tailstock speed V2 in electronic tag, upgrade the value of train tailstock speed V2 in this electronic tag;
7) train head's electronic label read/write forwards step 2 to through next electronic tag N+1;
When 8) train was started operation in second day, initialization date recognition sign D1 was put in the log-on message makeup;
9) finish.
The present invention can make current train know the average acceleration of last train position under the other network failure situation of rail, for current train operator's safe driving provides the data foundation.
Description of drawings
Fig. 1 confirms the computing system structured flowchart of last train position average acceleration for one embodiment of the invention.
Fig. 2 is information-based apparatus structure block diagram.
The specific embodiment
As shown in Figure 1; One embodiment of the invention confirms that the computing system of last train position average acceleration comprises two cover electronic label read/write, several electronic tags, is installed in the information-based device in the train more than one; Information-based device is connected with two cover electronic label read/writes respectively; Two cover electronic label read/writes connect mutually; Wherein a cover electronic label read/write is installed in train head, and another set of electronic label read/write is installed in the train tailstock, and it is along the line that electronic tag is installed in the train rail circuit.
Electronic label read/write is the JGK-05 electronic label read/write of Tianyuan Electronic Technology Co., Ltd., Yueyang High-technologies Industrial D's research and development.
Information-based device is the information-based device of the TPJ3 of Zhuzhou Nancheshidai Electric Co., Ltd's exploitation; As shown in Figure 2; This informationization device comprises and the two-way bonded assembly power module of mainboard, data processing module, data communication module; Information-based device can pass through ethernet, RS232, interfaces such as 485 are gathered two and overlapped the electronic label read/write data, and calculates according to the data of being gathered, and obtains last train average acceleration.
The method of calculating step of confirming last train position average acceleration is following:
1) distance L between train sign TrainNo, electronic tag code identification N, the two cover electronic label read/writes, date recognition sign D1 are stored in the information-based device; The numerical value of change D1 when the date changes; For example the D1 of today is set at 1, so to tomorrow, handles computing module and just D1 is set at 0; To the day after tomorrow, D1 is set at 1;
2) in the train travelling process; In the time of headstock electronic label read/write process electronic tag N; Read the data among the electronic tag N: the last speed V1 of train head, last train tailstock speed V2, train sign TrainNo, electronic tag code identification N, current date identify D0, and give information-based device with these data transmission;
3) information-based device compares the date recognition sign D1 that current date identifies D0 and information-based device storage inside; If D0 is not equal to D1; Represent that the data in this electronic tag are not the data on the same day; But the data of the previous day or initialization data, promptly by the read-write of train process, its data are invalid so for the first time for this electronic tag data; Information-based device sends instruction and gives the headstock electronic label read/write, writes the current speed V1 of train head, train sign TrainNo, date recognition sign D1 in this electronic tag; If D0=3, the electronic tag of representing this circuit is for use for the first time, and the data in its label are invalid; If D0=4 representes this electronic tag for what newly change, its data are invalid; If DO equals D1, explain that the data in this electronic tag are the data on the same day, be valid data, get into 4);
4) train head's electronic label read/write writes current train sign TrainNo, the speed V1 of train head;
5) information-based device retrieves the distance L between these car two cover electronic label read/writes through train sign TrainNo, then through formula a=(v
2 2-v
1 2)/2L confirms the average acceleration of last train;
When 6) current train tailstock electronic label read/write is through this electronic tag, write current train tailstock speed V2 in electronic tag, upgrade the value of train tailstock speed V2 in this electronic tag;
7) train head's electronic label read/write forwards step 2 to through next electronic tag N+1;
When 8) train was started operation in second day, initialization date recognition sign D1 was put in the log-on message makeup;
9) finish.
When newly electronic tag being installed, initialization electronic tag data V1=0, V2=0, TrainNo=0, D0=3, electronic tag sign N, wherein electronic tag sign N coding carries out sequential encoding according to certain sequence; When changing electronic tag, the initialization electronic tag data must be provided with D0=4 through reading the data of original electronic tag, this electronic tag is set is masked as and is replaced the electronic tag sign.
The scope apart from S between the electronic tag is: 1m≤S≤300m.
Claims (2)
1. computing system of confirming last train position average acceleration; It is characterized in that, comprise two cover electronic label read/write, several electronic tags, be installed in the information-based device in the train more than one that information-based device is connected with two cover electronic label read/writes respectively; Two cover electronic label read/writes connect mutually; Wherein a cover electronic label read/write is installed in train head, and another set of electronic label read/write is installed in the train tailstock, and it is along the line that electronic tag is installed in the train rail circuit.
2. utilize the described method of confirming the computing system calculating average acceleration of last train position average acceleration of claim 1, it is characterized in that this method may further comprise the steps:
1) distance L between train sign TrainNo, electronic tag code identification N, the two cover electronic label read/writes, date recognition sign D1 are stored in the information-based device;
2) in the train travelling process; In the time of headstock electronic label read/write process electronic tag N; Read the data among the electronic tag N: the last speed V1 of train head, last train tailstock speed V2, train sign TrainNo, electronic tag code identification N, current date identify D0, and give information-based device with these data transmission;
3) information-based device compares the date recognition sign D1 that current date identifies D0 and information-based device storage inside; If D0 is not equal to D1; Represent that the data in this electronic tag are not the data on the same day; Its data are invalid so, and information-based device sends instruction and gives the headstock electronic label read/write, writes the current speed V1 of train head, train sign TrainNo, date recognition sign D1 in this electronic tag; If DO equals D1, explain that the data in this electronic tag are the data on the same day, be valid data, get into 4);
4) train head's electronic label read/write writes current train sign TrainNo, the speed V1 of train head;
5) information-based device retrieves the distance L between these car two cover electronic label read/writes through train sign TrainNo, then through formula a=(v
2 2-v
1 2)/2L confirms the average acceleration of last train;
When 6) current train tailstock electronic label read/write is through this electronic tag, write current train tailstock speed V2 in electronic tag, upgrade the value of train tailstock speed V2 in this electronic tag;
7) train head's electronic label read/write forwards step 2 to through next electronic tag N+1;
When 8) train was started operation in second day, initialization date recognition sign D1 was put in the log-on message makeup;
9) finish.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210155428.4A CN102673612B (en) | 2012-05-18 | 2012-05-18 | Calculating system and calculating method for confirming average acceleration of previous train in certain position |
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| CN201210155428.4A CN102673612B (en) | 2012-05-18 | 2012-05-18 | Calculating system and calculating method for confirming average acceleration of previous train in certain position |
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| CN102673612B CN102673612B (en) | 2014-11-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107886017A (en) * | 2017-11-09 | 2018-04-06 | 陕西外号信息技术有限公司 | A kind of read method and equipment of optical label sequence |
| CN109178039A (en) * | 2018-10-31 | 2019-01-11 | 成都柏森松传感技术有限公司 | A kind of track train auxiliary control method based on RFID |
| CN109305196A (en) * | 2018-10-31 | 2019-02-05 | 西南交通大学 | The control system of rail transit train |
| CN111629950A (en) * | 2018-01-23 | 2020-09-04 | 奥雅纳工程顾问创投有限公司 | Wireless train management system |
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| US20080068164A1 (en) * | 2006-09-12 | 2008-03-20 | International Business Machines Corporation | System and method for sensing and controlling spacing between railroad trains |
| CN102390320A (en) * | 2011-08-22 | 2012-03-28 | 武汉理工大学 | Vehicle anti-collision early warning system based on vehicle-mounted sensing network |
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Patent Citations (3)
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|---|---|---|---|---|
| CN1562685A (en) * | 2004-04-01 | 2005-01-12 | 杨劲松 | Method for testing out of order for running train and alarm device |
| US20080068164A1 (en) * | 2006-09-12 | 2008-03-20 | International Business Machines Corporation | System and method for sensing and controlling spacing between railroad trains |
| CN102390320A (en) * | 2011-08-22 | 2012-03-28 | 武汉理工大学 | Vehicle anti-collision early warning system based on vehicle-mounted sensing network |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107886017A (en) * | 2017-11-09 | 2018-04-06 | 陕西外号信息技术有限公司 | A kind of read method and equipment of optical label sequence |
| CN107886017B (en) * | 2017-11-09 | 2021-02-19 | 陕西外号信息技术有限公司 | Method and device for reading optical label sequence |
| CN111629950A (en) * | 2018-01-23 | 2020-09-04 | 奥雅纳工程顾问创投有限公司 | Wireless train management system |
| CN111629950B (en) * | 2018-01-23 | 2024-01-09 | 奥雅纳工程顾问创投有限公司 | Wireless train management system |
| CN109178039A (en) * | 2018-10-31 | 2019-01-11 | 成都柏森松传感技术有限公司 | A kind of track train auxiliary control method based on RFID |
| CN109305196A (en) * | 2018-10-31 | 2019-02-05 | 西南交通大学 | The control system of rail transit train |
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| CN102673612B (en) | 2014-11-19 |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |